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  • Viral Diseases of Pet Birds
  • Psittacine beak and feather disease, cockatoo

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    Psittacine beak and feather disease, cockatoo

    Psittacine beak and feather disease (circovirus) in a lesser sulfur-crested cockatoo showing a general loss of feathers on the trunk and neck. The pin feathers on the neck are not emerging.

    Courtesy of Dr. Louise Bauck.

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